. >> coming up on this thursday, how joe biden is >> welcome back. some information as far as closures and delays. federal agencies are open today, but there is the option for unscheduled telework and unscheduled leave. closings in maryland. charles county and st. mary's county public schools are closed. delays, two hours in montgomery, a restored is, howard, and frederick counties. greg stafford, fauquier, orange county schools are closed. loudoun county and arlington county public schools on a two hour delay. in other news, a new warning from north korea. it says it is prepared to conduct a nuclear test and carry out more long-range rocket launches. it is threatening to wage a full-fledged confrontation against the u.s. for what it calls continued hostility. this follows tuesday's condemnation of north korea by the u.n. security council for launching rocket in december. >> we should learn more today about a battery fired back led to the world wide grounding of the boeing 787 airplanes. the national transportation safety board will provide an update